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                <h1 class="post-title" itemprop="name headline"> 我又找到了一个破解谷歌验证码的新方案！ </h1>
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                <p>之前我曾经写过一篇文章说 Google ReCAPTCHA 验证码的绕过方法，当时介绍的是用 2Captcha，然而有些朋友跟我反映说 2Captcha 价格比较贵，而且用起来比较复杂。</p>
                <p>今天再给大家介绍另一个用于破解 Google ReCAPTCHA 的方法。</p>
                <h2 id="ReCAPTCHA-介绍"><a href="#ReCAPTCHA-介绍" class="headerlink" title="ReCAPTCHA 介绍"></a>ReCAPTCHA 介绍</h2>
                <p>可能大家还没听说过什么是 ReCAPTCHA，可能由于某些原因，这个验证码在国内出现不多，不过想必大家应该多多少少见过或用过。它长这个样子：</p>
                <p><img src="https://qiniu.cuiqingcai.com/2021-07-09-124428.png" alt=""></p>
                <p>这时候，只要我们点击最前面的复选框，验证码算法会首先利用其「风险分析引擎」做一次安全检测，如果直接检验通过的话，我们会直接得到如下的结果：</p>
                <p><img src="https://qiniu.cuiqingcai.com/2021-07-09-124434.png" alt=""></p>
                <p>如果算法检测到当前系统存在风险，比如可能是陌生的网络环境，可能是模拟程序，会需要做二次校验。它会进一步弹出类似如下的内容：</p>
                <p><img src="https://qiniu.cuiqingcai.com/2021-07-09-124440.png" alt=""></p>
                <p>比如上面这张图，验证码页面会出现九张图片，同时最上方出现文字「树木」，我们需要点选下方九张图中出现「树木」的图片，点选完成之后，可能还会出现几张新的图片，我们需要再次完成点选，最后点击「验证」按钮即可完成验证。 或者我们可以点击下方的「耳机」图标，这时候会切换到听写模式，验证码会变成这样：</p>
                <p><img src="https://qiniu.cuiqingcai.com/2021-07-09-124446.png" alt=""></p>
                <p>这时候我们如果能填写对验证码读的音频内容，同样可以通过验证。 这两种方式都可以通过验证，验证完成之后，我们才能完成表单的提交，比如完成登录、注册等操作。 这种验证码叫什么名字？ 这个验证码就是 Google 的 ReCAPTCHA V2 验证码，它就属于行为验证码的一种，这些行为包括点选复选框、选择对应图片、语音听写等内容，只有将这些行为校验通过，此验证码才能通过验证。相比于一般的图形验证码来说，此种验证码交互体验更好、安全性会更高、破解难度更大。</p>
                <p>其实上文所介绍的验证码仅仅是 ReCAPTCHA 验证码的一种形式，是 V2 的显式版本，另外其 V2 版本还有隐式版本，隐式版本在校验的时候不会再显式地出现验证页面，它是通过 JavaScript 将验证码和提交按钮进行绑定，在提交表单的时候会自动完成校验。除了 V2 版本，Google 又推出了最新的 V3 版本，reCAPTCHA V3 验证码会为根据用户的行为来计算一个分数，这个分数代表了用户可能为机器人的概率，最后通过概率来判断校验是否可以通过。其安全性更高、体验更好。 </p>
                <h2 id="体验"><a href="#体验" class="headerlink" title="体验"></a>体验</h2>
                <p>那哪里可以体验到 ReCAPTCHA 呢？我们可以打开这个网站：<a href="https://www.google.com/recaptcha/api2/demo" target="_blank" rel="noopener">https://www.google.com/recaptcha/api2/demo</a>，建议科学上网，同时用匿名窗口打开，这样的话测试不会受到历史 Cookies 的干扰，如图所示：</p>
                <p><img src="https://qiniu.cuiqingcai.com/2021-07-09-124451.png" alt=""></p>
                <p>这时候，我们可以看到下方有个 ReCAPTCHA 的窗口，然后点击之后就出现了一个验证图块。</p>
                <p>当然靠人工是能解的，但对于爬虫来说肯定不行啊，那怎么自动化解呢？</p>
                <p>接下来我们就来介绍一个简单好用的平台。</p>
                <h2 id="解决方案"><a href="#解决方案" class="headerlink" title="解决方案"></a>解决方案</h2>
                <p>本次我们介绍的一个 ReCAPTCHA 破解服务叫做 YesCaptcha，主页是 <a href="http://yescaptcha.365world.com.cn/" target="_blank" rel="noopener">http://yescaptcha.365world.com.cn/</a>，它现在同时可以支持 V2 和 V3版本的破解。</p>
                <p>我们这次就用它来尝试解一下刚才的 ReCAPTCHA 上的 V2 类型验证码：<a href="https://www.google.com/recaptcha/api2/demo" target="_blank" rel="noopener">https://www.google.com/recaptcha/api2/demo</a>。</p>
                <p>简单注册之后，可以找到首页有一个 Token。我们可以复制下来以备后面使用，如图所示：</p>
                <p><img src="https://qiniu.cuiqingcai.com/2021-07-09-124501.png" alt=""></p>
                <p>它有两个关键的 API，一个是创建验证码服务任务，另一个是查询任务状态，API 如下：</p>
                <ul>
                  <li>
                    <p>创建任务：<a href="http://api.yescaptcha.365world.com.cn/v3/recaptcha/create" target="_blank" rel="noopener">http://api.yescaptcha.365world.com.cn/v3/recaptcha/create</a></p>
                  </li>
                  <li>
                    <p>查询状态：<a href="http://api.yescaptcha.365world.com.cn/v3/recaptcha/status" target="_blank" rel="noopener">http://api.yescaptcha.365world.com.cn/v3/recaptcha/status</a></p>
                  </li>
                </ul>
                <p>API 文档可以参考这里：<a href="http://docs.yescaptcha.365world.com.cn/" target="_blank" rel="noopener">http://docs.yescaptcha.365world.com.cn/</a></p>
                <p>经过 API 文档可以看到使用的时候可以配置如下参数：</p>
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                  <table>
                    <thead>
                      <tr>
                        <th><strong>参数名</strong></th>
                        <th><strong>是否必须</strong></th>
                        <th><strong>说明</strong></th>
                      </tr>
                    </thead>
                    <tbody>
                      <tr>
                        <td>token</td>
                        <td>是</td>
                        <td>请在个人中心获取 (Token)</td>
                      </tr>
                      <tr>
                        <td>siteKey</td>
                        <td>是</td>
                        <td>ReCaptcha SiteKey （固定参数）</td>
                      </tr>
                      <tr>
                        <td>siteReferer</td>
                        <td>是</td>
                        <td>ReCaptcha Referer （一般也为固定参数）</td>
                      </tr>
                      <tr>
                        <td>captchaType</td>
                        <td>否</td>
                        <td>ReCaptchaV2(默认) / ReCaptchaV3</td>
                      </tr>
                      <tr>
                        <td>siteAction</td>
                        <td>否</td>
                        <td>ReCaptchaV3 选填 Action动作 默认verify</td>
                      </tr>
                      <tr>
                        <td>minScore</td>
                        <td>否</td>
                        <td>ReCaptchaV3 选填 最小分数（0.1-0.9）</td>
                      </tr>
                    </tbody>
                  </table>
                </div>
                <p>这里就有三个关键信息了：</p>
                <ul>
                  <li>
                    <p>token：就是刚才我们在 YesCaptcha 上复制下来的参数</p>
                  </li>
                  <li>
                    <p>siteKey：这个是 ReCAPACHA 的标志字符串，稍后我们会演示怎么找。</p>
                  </li>
                  <li>
                    <p>siteReferer，一般是 ReCAPTCHA 的来源网站的 Referer，比如对于当前的案例，该值就是 <a href="https://www.google.com/recaptcha/api2/demo" target="_blank" rel="noopener">https://www.google.com/recaptcha/api2/demo</a></p>
                  </li>
                </ul>
                <p>那 siteKey 怎么找呢？其实很简单，我们看下当前 ReCAPTCHA 的 HTML 源码，从源码里面找一下就好了：</p>
                <p><img src="https://qiniu.cuiqingcai.com/2021-07-09-124514.png" alt=""></p>
                <p>这里可以看到每个 ReCAPTCHA 都对应一个 div，div 有个属性叫做 date-sitekey，看这里的值就是：</p>
                <figure class="highlight javascript">
                  <table>
                    <tr>
                      <td class="gutter">
                        <pre><span class="line">1</span><br></pre>
                      </td>
                      <td class="code">
                        <pre><span class="line"><span class="number">6</span>Le-wvkSAAAAAPBMRTvw0Q4Muexq9bi0DJwx_mJ-</span><br></pre>
                      </td>
                    </tr>
                  </table>
                </figure>
                <p>好，万事俱备了，只差代码了！</p>
                <h2 id="开工"><a href="#开工" class="headerlink" title="开工"></a>开工</h2>
                <p>我们就用最简单 requests 来实现下吧，首先把常量定义一下：</p>
                <figure class="highlight python">
                  <table>
                    <tr>
                      <td class="gutter">
                        <pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br></pre>
                      </td>
                      <td class="code">
                        <pre><span class="line">TOKEN = <span class="string">'50a07xxxxxxxxxxxxxxxxxxxxxxxxxf78'</span>  <span class="comment"># 请替换成自己的TOKEN</span></span><br><span class="line">REFERER = <span class="string">'https://www.google.com/recaptcha/api2/demo'</span></span><br><span class="line">BASE_URL = <span class="string">'http://api.yescaptcha.365world.com.cn'</span></span><br><span class="line">SITE_KEY = <span class="string">'6Le-wvkSAAAAAPBMRTvw0Q4Muexq9bi0DJwx_mJ-'</span> <span class="comment"># 请替换成自己的SITE_KEY</span></span><br></pre>
                      </td>
                    </tr>
                  </table>
                </figure>
                <p>这里我们定义了这么几个常量：</p>
                <ul>
                  <li>
                    <p>TOKEN：就是网站上复制来的 token</p>
                  </li>
                  <li>
                    <p>REFERER：就是 Demo 网站的链接</p>
                  </li>
                  <li>
                    <p>API_BASE_URL：就是 YesCaptcha 的 API 网址</p>
                  </li>
                  <li>
                    <p>SITE_KEY：就是刚才我们找到的 data-sitekey</p>
                  </li>
                </ul>
                <p>然后我们定义一个创建任务的方法：</p>
                <figure class="highlight python">
                  <table>
                    <tr>
                      <td class="gutter">
                        <pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br></pre>
                      </td>
                      <td class="code">
                        <pre><span class="line"><span class="function"><span class="keyword">def</span> <span class="title">create_task</span><span class="params">()</span>:</span></span><br><span class="line">    url = <span class="string">f"<span class="subst">&#123;BASE_URL&#125;</span>/v3/recaptcha/create?token=<span class="subst">&#123;TOKEN&#125;</span>&amp;siteKey=<span class="subst">&#123;SITE_KEY&#125;</span>&amp;siteReferer=<span class="subst">&#123;REFERER&#125;</span>"</span></span><br><span class="line">    <span class="keyword">try</span>:</span><br><span class="line">        response = requests.get(url)</span><br><span class="line">        <span class="keyword">if</span> response.status_code == <span class="number">200</span>:</span><br><span class="line">            data = response.json()</span><br><span class="line">            print(<span class="string">'response data:'</span>, data)</span><br><span class="line">            <span class="keyword">return</span> data.get(<span class="string">'data'</span>, &#123;&#125;).get(<span class="string">'taskId'</span>)</span><br><span class="line">    <span class="keyword">except</span> requests.RequestException <span class="keyword">as</span> e:</span><br><span class="line">        print(<span class="string">'create task failed'</span>, e)</span><br></pre>
                      </td>
                    </tr>
                  </table>
                </figure>
                <p>这里就是调 API 来创建任务，没什么好说的。</p>
                <p>如果创建成功之后会得到一个 task_id，接下来我们就需要用这个 task_id 来轮询查看任务的状态，定义如下的这么一个方法：</p>
                <figure class="highlight python">
                  <table>
                    <tr>
                      <td class="gutter">
                        <pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br></pre>
                      </td>
                      <td class="code">
                        <pre><span class="line"><span class="function"><span class="keyword">def</span> <span class="title">polling_task</span><span class="params">(task_id)</span>:</span></span><br><span class="line">    url = <span class="string">f"<span class="subst">&#123;BASE_URL&#125;</span>/v3/recaptcha/status?token=<span class="subst">&#123;TOKEN&#125;</span>&amp;taskId=<span class="subst">&#123;task_id&#125;</span>"</span></span><br><span class="line">    count = <span class="number">0</span></span><br><span class="line">    <span class="keyword">while</span> count &lt; <span class="number">120</span>:</span><br><span class="line">        <span class="keyword">try</span>:</span><br><span class="line">            response = requests.get(url)</span><br><span class="line">            <span class="keyword">if</span> response.status_code == <span class="number">200</span>:</span><br><span class="line">                data = response.json()</span><br><span class="line">                print(<span class="string">'polling result'</span>, data)</span><br><span class="line">                status = data.get(<span class="string">'data'</span>, &#123;&#125;).get(<span class="string">'status'</span>)</span><br><span class="line">                print(<span class="string">'status of task'</span>, status)</span><br><span class="line">                <span class="keyword">if</span> status == <span class="string">'Success'</span>:</span><br><span class="line">                    <span class="keyword">return</span> data.get(<span class="string">'data'</span>, &#123;&#125;).get(<span class="string">'response'</span>)</span><br><span class="line">        <span class="keyword">except</span> requests.RequestException <span class="keyword">as</span> e:</span><br><span class="line">            print(<span class="string">'polling task failed'</span>, e)</span><br><span class="line">        <span class="keyword">finally</span>:</span><br><span class="line">            count += <span class="number">1</span></span><br><span class="line">            time.sleep(<span class="number">1</span>)</span><br></pre>
                      </td>
                    </tr>
                  </table>
                </figure>
                <p>这里就是设置了最长轮询次数 120 次，请求的 API 就是查询任务状态的 API，会得到一个任务状态的结果，如果结果是 Success，那就证明任务成功了，解析其中的 response 结果就是验证码破解之后得到的 token。</p>
                <p>两个方法调用一下：</p>
                <figure class="highlight python">
                  <table>
                    <tr>
                      <td class="gutter">
                        <pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br></pre>
                      </td>
                      <td class="code">
                        <pre><span class="line"><span class="keyword">if</span> __name__ == <span class="string">'__main__'</span>:</span><br><span class="line">    task_id = create_task()</span><br><span class="line">    print(<span class="string">'create task successfully'</span>, task_id)</span><br><span class="line">    response = polling_task(task_id)</span><br><span class="line">    print(<span class="string">'get response:'</span>, response[<span class="number">0</span>:<span class="number">40</span>]+<span class="string">'...'</span>)</span><br></pre>
                      </td>
                    </tr>
                  </table>
                </figure>
                <p>运行结果类似如下：</p>
                <figure class="highlight python">
                  <table>
                    <tr>
                      <td class="gutter">
                        <pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br></pre>
                      </td>
                      <td class="code">
                        <pre><span class="line">response data: &#123;<span class="string">'status'</span>: <span class="number">0</span>, <span class="string">'msg'</span>: <span class="string">'ok'</span>, <span class="string">'data'</span>: &#123;<span class="string">'taskId'</span>: <span class="string">'1479436991'</span>&#125;&#125;</span><br><span class="line">create task successfully <span class="number">1479436991</span></span><br><span class="line">polling result &#123;<span class="string">'status'</span>: <span class="number">0</span>, <span class="string">'msg'</span>: <span class="string">'ok'</span>, <span class="string">'data'</span>: &#123;<span class="string">'status'</span>: <span class="string">'Working'</span>&#125;&#125;</span><br><span class="line">status of task Working</span><br><span class="line">polling result &#123;<span class="string">'status'</span>: <span class="number">0</span>, <span class="string">'msg'</span>: <span class="string">'ok'</span>, <span class="string">'data'</span>: &#123;<span class="string">'status'</span>: <span class="string">'Working'</span>&#125;&#125;</span><br><span class="line">status of task Working</span><br><span class="line">polling result &#123;<span class="string">'status'</span>: <span class="number">0</span>, <span class="string">'msg'</span>: <span class="string">'ok'</span>, <span class="string">'data'</span>: &#123;<span class="string">'status'</span>: <span class="string">'Working'</span>&#125;&#125;</span><br><span class="line">status of task Working</span><br><span class="line">polling result &#123;<span class="string">'status'</span>: <span class="number">0</span>, <span class="string">'msg'</span>: <span class="string">'ok'</span>, <span class="string">'data'</span>: &#123;<span class="string">'status'</span>: <span class="string">'Success'</span>, <span class="string">'response'</span>: <span class="string">'03AGdBq27-ABqvNmgq96iuprN8Mvzfq6_8noknIed5foLb15oWvWVksq9KesDkDd7dgMMr-UmqULZduXTWr87scJXl3djhl2btPO721eFAYsVzSk7ftr4uHBdJWonnEemr9dNaFB9qx5pnxr3P24AC7cCfKlOH_XARaN4pvbPNxx_UY5G5fzKUPFDOV14nNkCWl61jwwC0fuwetH1q99r4hBQxyI6XICD3PiHyHJMZ_-wolcO1R9C90iGQyjzrSMiNqErezO24ODCiKRyX2cVaMwM9plbxDSuyKUVaDHqccz8UrTNNdJ4m2WxKrD9wZDWaSK10Ti1LgsqOWKjKwqBbuyRS_BkSjG6OJdHqJN4bpk_jAcPMO13wXrnHBaXdK4FNDR9-dUvupHEnr7QZEuNoRxwl8FnO2Fgwzp2sJbGeQkMbSVYWdAalE6fzJ8NwsFJxCdDyeyO817buBtvTJ4C06C1uZ92fpPTeYGJwbbicOuqbGfHNTyiSJeRNmt-5RKz0OUiPJOPnmVKGlWBOqwbwCW1WZt-E-hH4FEg4En5TITmmPb_feS9dWKUxudn1U0hHk2vV9PerjZLtI7F67KtgmcqRrARPbwnc6KyAi3Hy1hthP92lv4MRIcO2jx0Llvsja-G2nhjZB0ZoJwkb9106pmqldiwlXxky4Dcg7VPStiCYJvhQpRYol7Iq1_ltU2tyhMqsu_Xa8Z6Mr5ykRCLnmlLb8DV8isndrdwp84wo_vPARGRj7Up9ov-ycb5lDKTf1XRaHiMCa8d2WLy0Pjco9UnsRAPw0FW3MsBJah6ryHUUDho7ffhUUgV1k86ryJym6xbWch1sVC4D5owzrCFn6L-rSLc5SS1pza2zU5LK4kAZCmbXNRffiFrhUY8nP4T1xaR2KMhIaN8HhJQpR8sQh1Azc-QkDy4rwbYmxUrysYGMrAOnmDx9z7tWQXbJE4IgCVMx5wihSiE-T8nbF5y1aJ0Ru9zqg1nZ3GSqsucSnvJA8HV5t9v0QSG5cBC1x5HIceA-2uEGSjwcmYOMw8D_65Dl-d6yVk1YN2FZCgMWY5ewzB1RAFN1BMqKoITQJ64jq3lKATpkc5i7aTA2bRGQyXrbDyMRIrVXKnYMHegfMbDn0l4O81a8vxmevLspKkacVPiqLsAe-73jAxMvsOqaG7cKxMQO9CY3qbtD55YgN0W4p2jyNSVz3aEpffHRqYyWMsRI5LddLgaZQDoHHgGUhV580PSIdZJ5eKd0gOjxIYxKlr0IgbMWRmsG_TgDNImy1c5oey8ojl-zWpOQW7bnfq5Z4tZ10_sCTfoOZVLqRuOsqB1OOO9pLRQojLBP0HUiGhRAr_As9EIDu6F9NIQfdAmCaVvavJbi1CZITFjcywP-tBrHsxpwkCXlwl996MK_XyEDuyWnJVGiVSthUMY306tIh1Xxj93W3KQJCzsfJQcjN-3lGLLeDFddypHyG4yrpRqRHHBNyiNJHgxSk5SaShEhXvByjkepvhrKX3kJssCU04biqqmkrQ49GqBV9OsWIy0nN3OJTx8v05MP8aU8YYkYBF01UbSff4mTfLAhin6iWk84Y074mRbe2MbgFAdU58KnCrwYVxcAR8voZsFxbxNwZXdVeexNx5HlIlSgaAHLWm2kFWmGPPW-ZA7R8Wst-mc7oIKft5iJl8Ea0YFz8oXyVgQk1rd9nDR3xGe5mWL1co0MiW1yvHg'</span>&#125;&#125;</span><br></pre>
                      </td>
                    </tr>
                  </table>
                </figure>
                <p>如果其返回的是如上格式的数据，就代表 ReCAPTCHA 验证码已经识别成功了，其返回的 response 字段的内容就是识别的 token，我们直接拿着这个 token 放到表单里面提交就成功了。</p>
                <p>那这个 token 怎么来用呢？ 其实如果我们用浏览器验证验证成功之后，点击表单提交的时候，在其表单里面会把一个 name 叫做 g-recaptcha-response 的 textarea 赋值，如果验证成功，它的 value 值就是验证之后得到的 token，这个会作为表单提交的一部分发送到服务器进行验证。如果这个字段校验成功了，那就没问题了。</p>
                <p><img src="https://qiniu.cuiqingcai.com/2021-07-09-124522.png" alt=""></p>
                <p>所以，如上的过程相当于为我们模拟了点选验证码的过程，其最终得到的这个 token 其实就是我们应该赋值给 name 为 g-recaptcha-response 的内容。 那么怎么赋值呢？ 很简单，用 JavaScript 就好了。我们可以用 JavaScript 选取到这个 textarea，然后直接赋值即可，代码如下：</p>
                <figure class="highlight python">
                  <table>
                    <tr>
                      <td class="gutter">
                        <pre><span class="line">1</span><br></pre>
                      </td>
                      <td class="code">
                        <pre><span class="line">document.getElementById(<span class="string">"g-recaptcha-response"</span>).innerHTML=<span class="string">"TOKEN_FROM_YESCAPTCHA"</span>;</span><br></pre>
                      </td>
                    </tr>
                  </table>
                </figure>
                <p>注意这里的 TOKEN_FROM_YESCAPTCHA 需要换成刚才我们所得到的 token 值。我们做爬虫模拟登录的时候，假如是用 Selenium、Puppeteer 等软件，在模拟程序里面，只需要模拟执行这段 JavaScript 代码，就可以成功赋值了。 执行之后，直接提交表单，我们查看下 Network 请求：</p>
                <p><img src="https://qiniu.cuiqingcai.com/2021-07-09-124528.png" alt=""></p>
                <p>可以看到其就是提交了一个表单，其中有一个字段就是 g-recaptcha-response，它会发送到服务端进行校验，校验通过，那就成功了。 所以，如果我们借助于 YesCaptcha 得到了这个 token，然后把它赋值到表单的 textarea 里面，表单就会提交，如果 token 有效，就能成功绕过登录，而不需要我们再去点选验证码了。 最后我们得到如下成功的页面：</p>
                <p><img src="https://qiniu.cuiqingcai.com/2021-07-09-124534.png" alt=""></p>
                <p>当然我们也可以使用 requests 来模拟完成表单提交：</p>
                <figure class="highlight python">
                  <table>
                    <tr>
                      <td class="gutter">
                        <pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br></pre>
                      </td>
                      <td class="code">
                        <pre><span class="line"><span class="function"><span class="keyword">def</span> <span class="title">verify</span><span class="params">(response)</span>:</span></span><br><span class="line">    url = <span class="string">"https://www.google.com/recaptcha/api2/demo"</span></span><br><span class="line">    data = &#123;<span class="string">"g-recaptcha-response"</span>: response&#125;</span><br><span class="line">    response = requests.post(url, data=data)</span><br><span class="line">    <span class="keyword">if</span> response.status_code == <span class="number">200</span>:</span><br><span class="line">        <span class="keyword">return</span> response.text</span><br></pre>
                      </td>
                    </tr>
                  </table>
                </figure>
                <p>最后完善一下调用：</p>
                <figure class="highlight python">
                  <table>
                    <tr>
                      <td class="gutter">
                        <pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br></pre>
                      </td>
                      <td class="code">
                        <pre><span class="line"><span class="keyword">if</span> __name__ == <span class="string">'__main__'</span>:</span><br><span class="line">    task_id = create_task()</span><br><span class="line">    print(<span class="string">'create task successfully'</span>, task_id)</span><br><span class="line">    response = polling_task(task_id)</span><br><span class="line">    print(<span class="string">'get response:'</span>, response[<span class="number">0</span>:<span class="number">40</span>]+<span class="string">'...'</span>)</span><br><span class="line">    result = verify(response)</span><br><span class="line">    print(result)</span><br></pre>
                      </td>
                    </tr>
                  </table>
                </figure>
                <p>运行结果如下：</p>
                <figure class="highlight">
                  <table>
                    <tr>
                      <td class="gutter">
                        <pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br></pre>
                      </td>
                      <td class="code">
                        <pre><span class="line">response data: &#123;<span class="string">'status'</span>: <span class="number">0</span>, <span class="string">'msg'</span>: <span class="string">'ok'</span>, <span class="string">'data'</span>: &#123;<span class="string">'taskId'</span>: <span class="string">'1479436991'</span>&#125;&#125;</span><br><span class="line">create task successfully <span class="number">1479436991</span></span><br><span class="line">polling result &#123;<span class="string">'status'</span>: <span class="number">0</span>, <span class="string">'msg'</span>: <span class="string">'ok'</span>, <span class="string">'data'</span>: &#123;<span class="string">'status'</span>: <span class="string">'Working'</span>&#125;&#125;</span><br><span class="line">status of task Working</span><br><span class="line">polling result &#123;<span class="string">'status'</span>: <span class="number">0</span>, <span class="string">'msg'</span>: <span class="string">'ok'</span>, <span class="string">'data'</span>: &#123;<span class="string">'status'</span>: <span class="string">'Working'</span>&#125;&#125;</span><br><span class="line">status of task Working</span><br><span class="line">polling result &#123;<span class="string">'status'</span>: <span class="number">0</span>, <span class="string">'msg'</span>: <span class="string">'ok'</span>, <span class="string">'data'</span>: &#123;<span class="string">'status'</span>: <span class="string">'Working'</span>&#125;&#125;</span><br><span class="line">status of task Working</span><br><span class="line">polling result &#123;<span class="string">'status'</span>: <span class="number">0</span>, <span class="string">'msg'</span>: <span class="string">'ok'</span>, <span class="string">'data'</span>: &#123;<span class="string">'status'</span>: <span class="string">'Success'</span>, <span class="string">'response'</span>: <span class="string">'03AGdBq27-ABqvNmgq96iuprN8Mvzfq6_8noknIed5foLb15oWvWVksq9KesDkDd7dgMMr-UmqULZduXTWr87scJXl3djhl2btPO721eFAYsVzSk7ftr4uHBdJWonnEemr9dNaFB9qx5pnxr3P24AC7cCfKlOH_XARaN4pvbPNxx_UY5G5fzKUPFDOV14nNkCWl61jwwC0fuwetH1q99r4hBQxyI6XICD3PiHyHJMZ_-wolcO1R9C90iGQyjzrSMiNqErezO24ODCiKRyX2cVaMwM9plbxDSuyKUVaDHqccz8UrTNNdJ4m2WxKrD9wZDWaSK10Ti1LgsqOWKjKwqBbuyRS_BkSjG6OJdHqJN4bpk_jAcPMO13wXrnHBaXdK4FNDR9-dUvupHEnr7QZEuNoRxwl8FnO2Fgwzp2sJbGeQkMbSVYWdAalE6fzJ8NwsFJxCdDyeyO817buBtvTJ4C06C1uZ92fpPTeYGJwbbicOuqbGfHNTyiSJeRNmt-5RKz0OUiPJOPnmVKGlWBOqwbwCW1WZt-E-hH4FEg4En5TITmmPb_feS9dWKUxudn1U0hHk2vV9PerjZLtI7F67KtgmcqRrARPbwnc6KyAi3Hy1hthP92lv4MRIcO2jx0Llvsja-G2nhjZB0ZoJwkb9106pmqldiwlXxky4Dcg7VPStiCYJvhQpRYol7Iq1_ltU2tyhMqsu_Xa8Z6Mr5ykRCLnmlLb8DV8isndrdwp84wo_vPARGRj7Up9ov-ycb5lDKTf1XRaHiMCa8d2WLy0Pjco9UnsRAPw0FW3MsBJah6ryHUUDho7ffhUUgV1k86ryJym6xbWch1sVC4D5owzrCFn6L-rSLc5SS1pza2zU5LK4kAZCmbXNRffiFrhUY8nP4T1xaR2KMhIaN8HhJQpR8sQh1Azc-QkDy4rwbYmxUrysYGMrAOnmDx9z7tWQXbJE4IgCVMx5wihSiE-T8nbF5y1aJ0Ru9zqg1nZ3GSqsucSnvJA8HV5t9v0QSG5cBC1x5HIceA-2uEGSjwcmYOMw8D_65Dl-d6yVk1YN2FZCgMWY5ewzB1RAFN1BMqKoITQJ64jq3lKATpkc5i7aTA2bRGQyXrbDyMRIrVXKnYMHegfMbDn0l4O81a8vxmevLspKkacVPiqLsAe-73jAxMvsOqaG7cKxMQO9CY3qbtD55YgN0W4p2jyNSVz3aEpffHRqYyWMsRI5LddLgaZQDoHHgGUhV580PSIdZJ5eKd0gOjxIYxKlr0IgbMWRmsG_TgDNImy1c5oey8ojl-zWpOQW7bnfq5Z4tZ10_sCTfoOZVLqRuOsqB1OOO9pLRQojLBP0HUiGhRAr_As9EIDu6F9NIQfdAmCaVvavJbi1CZITFjcywP-tBrHsxpwkCXlwl996MK_XyEDuyWnJVGiVSthUMY306tIh1Xxj93W3KQJCzsfJQcjN-3lGLLeDFddypHyG4yrpRqRHHBNyiNJHgxSk5SaShEhXvByjkepvhrKX3kJssCU04biqqmkrQ49GqBV9OsWIy0nN3OJTx8v05MP8aU8YYkYBF01UbSff4mTfLAhin6iWk84Y074mRbe2MbgFAdU58KnCrwYVxcAR8voZsFxbxNwZXdVeexNx5HlIlSgaAHLWm2kFWmGPPW-ZA7R8Wst-mc7oIKft5iJl8Ea0YFz8oXyVgQk1rd9nDR3xGe5mWL1co0MiW1yvHg'</span>&#125;&#125;</span><br><span class="line">status of task Success</span><br><span class="line">get response: <span class="number">03</span>AGdBq27-ABqvNmgq96iuprN8Mvzfq6_8noknIe...</span><br><span class="line">&lt;!DOCTYPE HTML&gt;&lt;html dir="ltr"&gt;&lt;head&gt;&lt;meta http-equiv="content-type" content="text/html; charset=UTF-8"&gt;&lt;meta name="viewport" content="width=device-width, user-scalable=yes"&gt;&lt;title&gt;ReCAPTCHA demo&lt;/title&gt;&lt;link rel="stylesheet" href="https://www.gstatic.com/recaptcha/releases/TbD3vPFlUWKZD-9L4ZxB0HJI/demo__ltr.css" type="text/css"&gt;&lt;/head&gt;&lt;body&gt;&lt;div class="recaptcha-success"&gt;Verification Success... Hooray!&lt;/div&gt;&lt;/body&gt;&lt;/html&gt;</span><br></pre>
                      </td>
                    </tr>
                  </table>
                </figure>
                <p>最后就可以发现，模拟提交之后，结果会有一个 <code>Verification Success... Hooray!</code> 的文字，就代表验证成功了！</p>
                <p>至此，我们就成功完成了 ReCAPTCHA 的破解。</p>
                <p>上面我们介绍的是 requests 的实现，当然使用 Selenium 等工具也可以实现，具体的 Demo 在文档也写好了，请大家参考文档的说明使用即可。</p>
                <h2 id="小福利"><a href="#小福利" class="headerlink" title="小福利"></a>小福利</h2>
                <p>现在 YesCaptcha 的价格我觉得相比之前介绍过的 2Captcha 实惠很多了，它破解一次是花费 10 点数，10 块钱是 10000 点数，所以平均破解一次验证码一分钱，新用户是送 1000 点数，可以破解 100 次。我个人觉得很实惠了。</p>
                <p>大家有需要的话可以试试看！</p>
                <p>溜了溜了～</p>
                <p>更多精彩内容，请关注我的公众号「进击的 Coder」和「崔庆才丨静觅」。</p>
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